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1、 Welcome to my class ! by Miss Lu(the 2nd period)WATCH A VIDEO1.Is the man in a water world?2. What makes the world a water world?oral discussionLets see which group canmake Earth more beautiful.Challenge1:挑战第一关挑战第一关:Two environmental(环境的环境的) problems are mentioned in the text.What are they?The gree
2、nhouse effectDestruction of rainforestThe first problem:The greenhouse effectBrainstorming:Is the greenhouse effect important or harmful?The greenhouse effect is important : The greenhouse effect can be very harmful:Lets talk about the greenhouse effectThe trouble is This will cause atmosphere sunli
3、ghtwarmthWithout it, YOU DID VERY WELL.ANOTHER VIDEO FOR YOU1.What can you see in the video?2.What is it about?oral discussionThe second problem:Destruction of rainforestWhat can trees do for us ?Trees can take in harmful Gases and hold soil together.What may happen if trees are cut down?It may caus
4、e flood.floodFlood may drownCONGRATULATIONS!YOU PASS 2 CHALLENGES. What cause the environmental problems?Can you tell me some bad habits that pollutes the environment?plastic bagsbottleschopsticksPeople use things only once and then throw them away.They are not environmentally friendly. (环保的环保的)This
5、 creates mountains of(许多许多) rubbish and it pollutes our land and seas.What will happenYOU ARE SO CLEVER.Finish a survey in a groupof three and report the results in pairs.GROUP WORK: GREEN CONSUMERS SURVEYEnvironmental problems What causethe problemsHow to save Earth1.2.A: What are the environmental
6、 problems?B: The environmental problems are A: What cause the problems?B: A: How can we save Earth?B: To save Earth, Lets see who can win.DameishaHappy ValleyMangrove (红树林红树林)Shennan RoadWutong MountainOCT. EastShenzhen is a beautiful city.air pollutionwater pollutionnoise pollutionwhite pollutionAs
7、 green consumers, how can we make Shenzhen more beautiful? Try to write down your ideas on the poster (海报海报) and then show it to us. lets become green consumers in our daily life.We have only one Earth !In this class, _is the best!Congratulations, _!1.Listen to the tape and read the article, try to imitate the tape.2.Everyone finish a poster about how to save Earth .3. Finish Part C&D on Page 32&33 in the textbook.Homework
